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- int analogPin= 0;
- int count =0;
- int raw= 0;
- int Vin= 5;
- int before=0;
- float Vout= 0;
- float R1= 1000;
- float R2= 0;
- float buffer= 0;
- void setup()
- {
- Serial.begin(9600);
- }
- void loop()
- {
- raw= analogRead(analogPin);
- if(raw)
- {
- buffer= raw * Vin;
- Vout= (buffer)/1024.0;
- buffer= (Vin/Vout) -1;
- R2= R1 * buffer;
- if (R2< 200000) {
- count++;
- Serial.println("---------");
- Serial.print("count number: ");
- Serial.println(count);
- Serial.print("R2: ");
- Serial.print(R2);
- Serial.println();
- }
- }
- }
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